Ch 29 and 30

Ch 29 and 30 - Goals for Know the major advances of true...

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Goals for Chapters 29, 30 - Know the major advances of true plants over green algae, and what changes occurred with a terrestrial existence - Understand the major differences in the life cycles of mosses, ferns and seed plants - Know a representative of each major group (not responsible for Phylum names) - Know the anatomy of flowers and fruits, and how flowering plants have co-evolved with animals Origin of Land Plants - 280,000 species in 4 main groups: - Bryophytes (mosses, non vascular) - Pteridophytes (vascular, but seedless ferns) - Gymnosperms (conifers with naked seeds) - Angiosperms (flowering plants) Figure 29.7 Evidence for Origin From Charophyceans 0. Rose-shaped cellulose-synthesizing complexes in cell wall 1. Peroxisome enzyme homology 2. homologous sperm structure 3. cell division similar 4. molecular homologies Advances over Algae 5. Apical meristems (growth areas on shoot and root) 6. Multicellular, dependent embryos with maternal nutritive cells 7. Alternation of generations 8. Sporangia produce spores 9. Multicellular gametangia Fig. 29.5 Terrestrial Adaptations of Plants
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This note was uploaded on 12/02/2009 for the course BIOL 1202 taught by Professor Gregg during the Spring '08 term at LSU.

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Ch 29 and 30 - Goals for Know the major advances of true...

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